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ENGLISH SPEAKING General Internal Medicine, Gastroenterologist IS AT YOUR DISPOSAL
Wieslaw Zelazek, MD,PhD.
Wiesław Żelazek

General Internal Medicine, Gastroenterologist 

Military Medical Academy in Lodz completed in 1974, graduated in 1979 and obtained a first degree of specialization in Internal Medicine . In 1983 completed specialization in Internal Medicine and in 1987 specialization in the field of Gastroenterology . In 1989 he obtained a doctorate in medical sciences. Until 1990 he worked in Polish Navy and then at the Department of Internal Medicine at Navy Hospital in Gdańsk - Oliwa, leading subdivision of Gastroenterology and specialized private practice .

From 1992 to July 2007 worked as GP and then as a Head of Department of the Department of Internal Medicine at Dora Nginza Hospital in Port Elizabeth , Republic of South Africa.He was also running the Gastrointestinal Clinic with GI Endoscopy service.

Since September 2007,has been working in Ireland.

As a doctor, is registered in the Republic of South Africa. In Ireland and UK is a recognized Specialist in Gastroenterology and Internal Medicine Specialist . He is a member of the European Crohn 's and Colitis Organization and the Irish Society of Gastroenterology.

In addition to diseases in the field of Internal Medicine deals with diseases of the gastrointestinal tract, with particular interest : stomach’s diseases including gastric ulcer and duodenal ulcers, Crohn's disease and ulcerative colitis , and diagnostic and therapeutic gastrointestinal endoscopy .

It also performs abdominal ultrasound and thyroid .


Colorectal cancer is the third most common cancer in the world and the second largest cause of cancer deaths . In clinical screening methods for the detection of this cancer uses the analysis of stool samples and structural studies . Colonoscopy as a screening method is used frequently in the United States , whereas in Europe and Australia, widespread is to perform immunochemical fecal test ( FIT ) .

Colon cancer develops as a result of uncontrolled cell growth by the body within one of the large intestine ( caecum , the ascending , transverse , descending colon or rectum ) . Symptoms and treatment of cancers of the various parts of the colon may differ materially . The vast majority (90%) of colorectal cancer is cancer (adenocarcinoma ) of the colon.

Is more common in men than in women. Rarely occurs before 40 years of age , with a peak incidence falls on the seventh decade of life . In Poland it is the second leading cause of cancer deaths . Taking place in Poland since the 90s of last century, changes in eating habits resulted in a steady increase in the incidence of colorectal cancer.

Colonoscopy and immunochemical test for fecal occult blood have similar effectiveness when it comes to the detection of colorectal cancer - study proved COLONPREV . The results are presented in the pages of the journal "New England Journal of Medicine " .

To perform research screening eligible individuals who feel healthy and meet one of the following criteria :

  • all persons aged 50-65 years without evidence of colorectal cancer,
  • persons aged 40-50 years with no symptoms of colon cancer , which had a family of at least one first-degree relative (parent, sibling, or child ) with colorectal cancer .
  • People with the following symptoms :
  • Rectal bleeding (especially repeated ) ,
  • blood in stool after defecation ,
  • alternation of constipation and diarrhea ,
  • persistent diarrhea ,
  • change in the shape and size of stool,
  • pain and abdominal cramps ,
  • utile urge to stool ( repeated episodes of straining at stool , after which fail to give it back )
  • anemia (anemia and implying slow and often hidden , but constant bleeding from the tumor into the lumen of the colon) .
  • progressive loss of body weight,
  • lack of appetite
  • weakness
Wieslaw ZelazekMD,PhD BIG No:89915060201